Update x25519-dalek requirement from 1.1 to 2.0

[dependabot[bot]]

Updates the requirements on x25519-dalek to permit the latest version.

Changelog

Sourced from x25519-dalek's changelog.

Changelog

Entries are listed in reverse chronological order.

2.x Series

• Note: All x255919-dalek 2.x releases are in sync with the underlying curve25519-dalek 4.x releases.

2.0.0-rc.3

• StaticSecret serialization and to_bytes() no longer returns clamped integers. Clamping is still always done during scalar-point multiplication.
• Update underlying curve25519_dalek library to 4.0.0-rc.3. Notable changes:
  • [curve25519-dalek backend] now by default auto selects simd backend over serial where supported.

2.0.0-rc.2

• Update MSRV to 1.60.
• Update edition to 2021
• Add .as_bytes() and AsRef<[u8]> for Shared/StaticSecret
• Add getrandom feature to provide random_from_rng constructors
• Make StaticSecrets optional via feature static_secrets
• Update underlying curve25519_dalek library to 4.0.0-rc.2. Notable changes:
  • [curve25519-dalek backend] additive features have been removed in favor of cfg based selection.
  • [curve25519-dalek backend] now by default auto selects the appropriate word size over the previous default 32.

2.0.0-pre.1

• Loosen restriction on zeroize dependency version from =1.3 to 1.
• Update MSRV to 1.51.

2.0.0-pre.0

• Update rand_core dependency to 0.6.

1.x Series

1.2

• Add module documentation for using the bytes-oriented x25519() API.
• Add implementation of zeroize::Zeroize for PublicKey.
• Move unittests to a separate directory.
• Add cargo feature flags "fiat_u32_backend" and "fiat_u64_backend" for activating the Fiat crypto field element implementations.
• Fix issue with removed feature(external_doc) on nightly compilers.
• Pin zeroize to version 1.3 to support a wider range of MSRVs.
• Add CI via Github actions.
• Fix breakage in the serde unittests.
• MSRV is now 1.41 for production and 1.48 for development.
• Add an optional check to SharedSecret for contibutory behaviour.

... (truncated)

Commits

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[woodruffw]

I got pinged here 🤔

@rozbb feel free to remove me as a maintainer, if you'd like.

[rozbb]

Can I archive this repo? Neither I nor ToB are maintaining it now

[woodruffw]

Can I archive this repo? Neither I nor ToB are maintaining it now

Fine by me 🙂